Home / 31,437.79-47,159.76-11,452.71

Finding the Fourth Proportional to 31,437.79, 47,159.76 and 11,452.71

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Solution

The fourth proportional to 31,437.79, 47,159.76 and 11,452.71 is: 17,180.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.79 : 47,159.76 = 11,452.71 : x
  2. Step 2: Convert to fraction form
    31,437.79/47,159.76 = 11,452.71/x
  3. Step 3: Cross multiply
    31,437.79x = 47,159.76 × 11,452.71
  4. Step 4: Simplify right side
    31,437.79x = 540,107,054.95
  5. Step 5: Solve for x
    x = 540,107,054.95/31,437.79
  6. Step 6: Final answer
    x = 17,180.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.